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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 4395594.pdf | 784 kB | Shaun Ewing | Jul 26, 1983 00:00 |
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US-4395594-A // Method and apparatus for forcing randomization of idle channel seizures // Meyerle; John A. // Bell Telephone Laboratories, Incorporated | |||
| Version 1 (current) | 784 kB | Shaun Ewing | Jul 26, 1983 00:00 | US-4395594-A // Method and apparatus for forcing randomization of idle channel seizures // Meyerle; John A. // Bell Telephone Laboratories, Incorporated | ||||
| PDF File 2237473.pdf | 779 kB | Shaun Ewing | Apr 08, 1941 00:00 |
|
US-2237473-A // Teletypewriter switching system // Britt Horace James // American Telephone & Telegraph | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237473-A // Teletypewriter switching system // Britt Horace James // American Telephone & Telegraph | ||||
| PDF File 2269375.pdf | 774 kB | Shaun Ewing | Jan 06, 1942 00:00 |
|
US-2269375-A // Telephone system // Mccown Ray B. ; Schneckloth Harry Howard ; Smith Robert William // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2269375-A // Telephone system // Mccown Ray B. ; Schneckloth Harry Howard ; Smith Robert William // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2334592.pdf | 774 kB | Shaun Ewing | Nov 16, 1943 00:00 |
|
US-2334592-A // Teletypewriter transmitting system // Walker Charles Robert // American Telephone & Telegraph | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Nov 16, 1943 00:00 | US-2334592-A // Teletypewriter transmitting system // Walker Charles Robert // American Telephone & Telegraph | ||||
| PDF File 2347497.pdf | 767 kB | Shaun Ewing | Apr 25, 1944 00:00 |
|
US-2347497-A // Damping means for current responsive apparatus // Neiswinter James T. ; Horsey Oliver P. // American Telephone & Telegraph | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Apr 25, 1944 00:00 | US-2347497-A // Damping means for current responsive apparatus // Neiswinter James T. ; Horsey Oliver P. // American Telephone & Telegraph | ||||
| PDF File 2901544.pdf | 767 kB | Shaun Ewing | Aug 25, 1959 00:00 |
|
US-2901544-A // Four-party station identification circuit // Collins John J. // American Telephone & Telegraph | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Aug 25, 1959 00:00 | US-2901544-A // Four-party station identification circuit // Collins John J. // American Telephone & Telegraph | ||||
| PDF File 3980840.pdf | 764 kB | Shaun Ewing | Sept 14, 1976 00:00 |
|
US-3980840-A // Conductor identification arrangement for a cable restoration system // Koster; Frederick Henry // American Telephone And Telegraph Company | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Sept 14, 1976 00:00 | US-3980840-A // Conductor identification arrangement for a cable restoration system // Koster; Frederick Henry // American Telephone And Telegraph Company | ||||
| PDF File 2300045.pdf | 763 kB | Shaun Ewing | Oct 27, 1942 00:00 |
|
US-2300045-A // Teletypewriter system // Gammell Ernest Osmond // American Telephone & Telegraph | |||
| Version 1 (current) | 763 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300045-A // Teletypewriter system // Gammell Ernest Osmond // American Telephone & Telegraph | ||||
| PDF File 2466354.pdf | 762 kB | Shaun Ewing | Apr 05, 1949 00:00 |
|
US-2466354-A // Directional radio system // Bagnall Vernon B. // American Telephone & Telegraph | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Apr 05, 1949 00:00 | US-2466354-A // Directional radio system // Bagnall Vernon B. // American Telephone & Telegraph | ||||
| PDF File 2640193.pdf | 760 kB | Shaun Ewing | May 26, 1953 00:00 |
|
US-2640193-A // Radiant energy signaling system // Carter Robert William ; Currier Milton Griffith ; Emig William George ; Glentzer Kenneth Verley // American Telephone & Telegraph | |||
| Version 1 (current) | 760 kB | Shaun Ewing | May 26, 1953 00:00 | US-2640193-A // Radiant energy signaling system // Carter Robert William ; Currier Milton Griffith ; Emig William George ; Glentzer Kenneth Verley // American Telephone & Telegraph | ||||
| PDF File 2379456.pdf | 756 kB | Shaun Ewing | Jul 03, 1945 00:00 |
|
US-2379456-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Jul 03, 1945 00:00 | US-2379456-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | ||||
| PDF File 2425819.pdf | 756 kB | Shaun Ewing | Aug 19, 1947 00:00 |
|
US-2425819-A // Telegraph distortion measuring system // Neiswinter James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Aug 19, 1947 00:00 | US-2425819-A // Telegraph distortion measuring system // Neiswinter James T. // American Telephone & Telegraph | ||||
| PDF File 2997697.pdf | 755 kB | Shaun Ewing | Aug 22, 1961 00:00 |
|
US-2997697-A // Data transmission system // Macadam Walter K. // American Telephone & Telegraph | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Aug 22, 1961 00:00 | US-2997697-A // Data transmission system // Macadam Walter K. // American Telephone & Telegraph | ||||
| PDF File 2244566.pdf | 753 kB | Shaun Ewing | Jun 03, 1941 00:00 |
|
US-2244566-A // Telegraph test board // Neiswinter James Trapp // American Telephone & Telegraph | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Jun 03, 1941 00:00 | US-2244566-A // Telegraph test board // Neiswinter James Trapp // American Telephone & Telegraph | ||||
| PDF File 2262567.pdf | 752 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262567-A // Teletypewriter indicating system // Votaw Clarence J. // American Telephone & Telegraph | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262567-A // Teletypewriter indicating system // Votaw Clarence J. // American Telephone & Telegraph | ||||
| PDF File 2408304.pdf | 750 kB | Shaun Ewing | Sept 24, 1946 00:00 |
|
US-2408304-A // Telegraph repeater system // Fay Frank Homer ; Reeve Elmer William // American Telephone & Telegraph | |||
| Version 1 (current) | 750 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408304-A // Telegraph repeater system // Fay Frank Homer ; Reeve Elmer William // American Telephone & Telegraph | ||||
| PDF File 2376272.pdf | 748 kB | Shaun Ewing | May 15, 1945 00:00 |
|
US-2376272-A // Automatic telephone answering system // Peterson Edwin L. ; Papenmeyer George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 748 kB | Shaun Ewing | May 15, 1945 00:00 | US-2376272-A // Automatic telephone answering system // Peterson Edwin L. ; Papenmeyer George W. // American Telephone & Telegraph | ||||
| PDF File 2377453.pdf | 748 kB | Shaun Ewing | Jun 05, 1945 00:00 |
|
US-2377453-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Jun 05, 1945 00:00 | US-2377453-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | ||||
| PDF File 2761922.pdf | 741 kB | Shaun Ewing | Sept 04, 1956 00:00 |
|
US-2761922-A // Automatic transmission measuring circuit for successively testing the idle trunks in a group of trunks // Carroll William R. // American Telephone & Telegraph | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Sept 04, 1956 00:00 | US-2761922-A // Automatic transmission measuring circuit for successively testing the idle trunks in a group of trunks // Carroll William R. // American Telephone & Telegraph | ||||
| PDF File 4485370.pdf | 741 kB | Shaun Ewing | Nov 27, 1984 00:00 |
|
US-4485370-A // Thin film bar resistor // Poisel; C. Edward // At&t Technologies, Inc. | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Nov 27, 1984 00:00 | US-4485370-A // Thin film bar resistor // Poisel; C. Edward // At&t Technologies, Inc. |
